October 1 update. Our PDGM and ICD-10 tools now use the FY2027 code set: 190 codes added, 30 deleted, and no existing code changed clinical group.

See what changed

ICD-10 · PDGM grouping

D15 Benign neoplasm of other and unspecified intrathoracic organs

All 5 codes in the D15 family, with the PDGM clinical group, comorbidity subgroup and primary-position rule CMS assigns, read from the CMS grouper crosswalk v07.2.26 and the CDC FY2027 code file.

ICD-10-CM FY2027 · CMS grouper v07.2.26

Codes in family

5

Can lead a claim

4

Cannot lead a claim

1

What CMS assigns to D15

4 of the 5 codes group to MMTA - Infectious Disease, Neoplasms, and Blood-Forming Diseases; 1 is assigned no clinical group. None of the 5 is assigned a comorbidity subgroup. 4 of the 5 can lead a claim.

Every code in D15

Descriptions are CDC’s FY2027 wording; where CMS’s grouper abbreviates one, its form is shown beneath.

CodeDescriptionPrimary positionClinical groupComorbidity subgroup
D15.0Benign neoplasm of thymusCan lead a claimKNone
D15.1Benign neoplasm of heartCan lead a claimKNone
D15.2Benign neoplasm of mediastinumCan lead a claimKNone
D15.7Benign neoplasm of other specified intrathoracic organsCan lead a claimKNone
D15.9Benign neoplasm of intrathoracic organ, unspecifiedCannot lead a claimPrincipal diagnosis not assigned to a clinical groupNoneNone

Sources: CMS HH PPS Grouper Software v07.2.26, effective 2026-10-01, for the clinical group, comorbidity subgroup, code-first conventions and primary-position flags; CDC NCHS ICD-10-CM FY2027 code descriptions for the family title and code wording. This is the crosswalk Medicare runs a claim through. Grouping also depends on admission source, timing, the OASIS functional items and the rest of the diagnosis list.

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